Integrating crazy VU meter to HA with a D1 mini with relays

[tom_l]

You can load ESPhome onto those serial relays. Someone has worked it out:

4 channel Relay ESP8266 Wifi board WORKING with esphome

Can confirm the same works for the 2 channel ‘lctech relay x2’. switch: - platform: template name: 'Relay 1' id: relay1 turn_on_action: - uart.write: [0xA0, 0x01, 0x01, 0xA2] turn_off_action: - uart.write: [0xA0, 0x01, 0x00, 0xA1] optimistic: true - platform: template name: 'Relay 2' id: relay2 turn_on_action: - uart.write: [0xA0, 0x02, 0x01, 0xA3] turn_off_action: - uart.write: [0xA0, 0x02, 0x00, 0xA2] optimistic: true